| Error Message | Solution | |----------------|----------| | “No update file found” | USB not FAT32, or file name wrong, or wrong USB port. | | “Signature verification failed” | Firmware is for a different region or hardware version. | | TV boot loops after update | Perform a factory reset (using pinhole on I/O panel). | | “Not enough storage” | Clear cache via Settings → Storage → Cached data. |

Before downloading, you must know your exact model and software version to avoid "bricking" your device: ftp.bills.com.au On the Device

Search for "TCL Android TV Firmware" to find curated threads for specific chassis types (like MT58, RT51, etc.). 4. How to Update via USB Once you find your file: Format a USB drive to FAT32 .